Speed of Waves

HP 7-5 Waves Reviewing Wave Speed

By g Custer

Quick Wave Review!

Multiple Choice

What do all waves transfer?

• Matter

• Heat

• Electricity

• Energy

Multiple Choice

Which of the following can waves transfer energy through?

• solid

• liquid

• gas

• empty space

• all of the above

Multiple Choice

What is the distance between the calm sea and the highest wave called?

• Wave

• Frequency

• Amplitude

• Magnitude

Multiple Choice

What is the number of complete waves passing a fixed point in a given amount of time?

• Amplitude

• Intensity

• Wavelength

• Frequency

Multiple Choice

What is the frequency of this wave? You must count the number of complete waves.

• 1 Hz

• 5 Hz

• 10 Hz

Multiple Choice

Which type of waves have the longest wavelength?

• Visible light

• Radio waves

• X-rays

• Gamma-Rays

Multiple Choice

Wavelengths are usually measured in ....

• seconds

• Hz

• inches

• meters

Multiple Choice

Shorter wave lengths can carry more energy. Which of these probably carries the MOST energy:

• Infrared light

• Visible light

• X-rays

• UV light

Let's Practice!

You'll probably need a calculator​.

Multiple Choice

 A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?

• 500 m/s
• 50 m/s
• 5 m/s
• 0.5 m/s

Multiple Choice

 A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?

• 25 m
• 125 m
• 5 m
• .2 m

Multiple Choice

One end of a rope is oscillated to produce a wave with a wavelength of .25 m.  The Frequency of the wave is 3.0 Hz.  What is the speed of the wave?

• .75 m/s
• 12 m/s

• .083 m/s

Multiple Choice

A guitar string vibrates with a frequency of 320 hz. If the wavelength of the vibration is 0.23 meters what is the speed of the wave?

• .0007 m/s

• 1391.3 m/s

• 73.6 m/s